The main difference is that telnet only does password authentication, while rlogin can do password authentication or can use 'rcmd' authentication, which is essentially based on the IP address of the machine you're coming from.

If you're in a security conscience environment, you should ditch both in favor of Secure SHell (ssh). It's now bundled with many Unix/Linux flavors, and www.openssh.com will tell you where to get free implementations for various platforms.

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Manage projects of all sizes how you want. Great for personal to-do lists, project milestones, team priorities and launch plans.
- Combine task lists, docs, spreadsheets, and chat in one
- View and edit from mobile/offline
- Cut down on emails

Attention: This article will no longer be maintained. If you have any questions, please feel free to mail me. jgh@FreeBSD.org
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